Electronics Forum | Wed Dec 17 17:57:51 EST 2003 | davef
9. * Conversion coatings are very nice "paints" that allow other paints to stick to aluminum. Type 1 coatings are thicker than Type 3, which are whisper thin. Alodine 120X (Amchem) and Iridite 14-2 (Allied Research Products) are good conversion coa
Electronics Forum | Fri Jan 16 14:24:11 EST 2004 | dwoodrow
We would like to start testing our lead free wave solder machines in house. Mostly looking for lead and copper content. Malcom makes a relatively inexpensive machine that does this (STA-1 http://www.malcomtech.com/products_sta1.html). Does anyone
Electronics Forum | Tue Jan 20 16:27:34 EST 2004 | pjc
have a look at these: http://www.necoa.com/products/apex-c2-s.shtml http://www.mta.ch/download/SOUDAGE_ANG.PDF http://www.jusmech.com http://www.chiphua.com/robot.html http://www.jmax.co.jp/e_ntx811.html http://www.horiuchielectronics.co.jp/e
Electronics Forum | Mon Jan 26 07:27:43 EST 2004 | loz
I have a product that has earthing/positioning holes, as they are to be used for earthing purposes they need to be free from conformal coating. This pcb is double sided. I have used spot/peelable mask to protect these holes. However when the conforma
Electronics Forum | Tue Jan 27 20:03:11 EST 2004 | davef
Consider contacting other university SMT laboratories. Among them are: * Purdue University * Georgia Tech * SUNY Binghamton Actually, you really don't care what the machines do. You care about, 'Which companies will donate machines' [even if they'
Electronics Forum | Wed Jan 28 23:23:24 EST 2004 | Dean
Any University that teaches with Mydata or Contact probably isn't worth your time. And with the increases in admissions I cant see why any University worth its salt would use such "rudimentary equations". How about cancling the football and basketb
Electronics Forum | Thu Jan 29 22:13:08 EST 2004 | davef
OK, I've got it. Here's what you should do: * Call your friendly, local electronic contract assembly shop. * Tell them that you are "Joe College", you currently build pin through hole boards, but want to start using SMT, and that you want to conside
Electronics Forum | Tue Feb 03 07:24:44 EST 2004 | paul_bmc
I was also looking into purchasing a tape and reel machine. I started looking at Q-Corporations QMT-1250 machine. What I found though was that one of the major costs was the supplies. A lot of suppliers require you to purchase a minimum quantity o
Electronics Forum | Tue Feb 03 09:36:05 EST 2004 | davef
Unfortunately, IPC-D-279, IPC-TM-650, IPC-TR-464, and MIL-STD-810 will not answer your questions, because they do NOT address LF-solders. Even the tests in IPC-9701 need to be modified for LF-solders, because: * LF-solder has different creep behavior
Electronics Forum | Wed Feb 11 05:48:10 EST 2004 | iva
Hello Greg, Have you ever seen an Essemtec in a real production run? I have. But actually placing BGA, MicroBGA with their Cyber optics laser alignment? Or with the supplementary camera (I think it was with a VGA resolution)? Well, that�s something
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